https://bugs.freedesktop.org/show_bug.cgi?id=41121
--- Comment #10 from Florian Mickler florian@mickler.org 2011-10-06 05:53:17 PDT --- A patch referencing this bug report has been merged in Linux v3.1-rc9:
commit 109bc10d30f33e84f1d7289f0039e0c858ade82f Author: Alex Deucher alexander.deucher@amd.com Date: Mon Oct 3 09:13:45 2011 -0400
drm/radeon/kms: fix regression in DP aux defer handling